Top 30 Most Common iot viva questions You Should Prepare For
Preparing for iot viva questions can be daunting, but it's a crucial step in landing your dream job in the Internet of Things (IoT) field. Mastering the commonly asked iot viva questions can significantly boost your confidence, clarity, and overall interview performance. This guide will walk you through 30 of the most frequently asked iot viva questions, providing you with the knowledge and preparation needed to impress your interviewers. Let's dive in and conquer those iot viva questions!
What are iot viva questions?
Iot viva questions are oral examination questions designed to assess a candidate's understanding of core IoT concepts, technologies, and applications. These questions often cover a wide range of topics, including sensor technologies, communication protocols, cloud platforms, security considerations, and practical implementations of IoT solutions. The purpose of these iot viva questions is to evaluate not only your theoretical knowledge but also your ability to apply that knowledge to real-world scenarios. They're important for job seekers as they demonstrate your preparedness and understanding of the IoT landscape.
Why do interviewers ask iot viva questions?
Interviewers ask iot viva questions to gauge a candidate's depth of knowledge and practical experience in the field. They are trying to assess several key areas: your foundational understanding of IoT principles, your ability to problem-solve using IoT technologies, your familiarity with industry-standard protocols and architectures, and your awareness of security considerations. These iot viva questions help interviewers determine if you possess the necessary skills and understanding to contribute effectively to their IoT projects. Ultimately, successfully answering iot viva questions proves you're not just familiar with the buzzwords, but you can actually apply the concepts.
Here's a quick preview of the 30 iot viva questions we'll be covering:
What is IoT?
What are the important characteristics of IoT?
What are the main components of an IoT system?
Explain the main aim of IoT.
What are common connectivity technologies in IoT?
What is the role of sensors in IoT?
What types of data are collected by IoT devices?
What is a typical architecture of an IoT system?
What are cloud simulators used in IoT development?
What is edge computing in IoT?
What are the technological processes involved in IoT?
What are smart living constituents in IoT?
What is the difference between IoT and M2M (Machine to Machine)?
What security challenges exist in IoT?
What is replication in IoT context?
How is data transmitted in IoT systems?
What are common IoT protocols?
What is an IoT gateway?
What is the role of actuators in IoT?
What is crowdsensing in IoT?
How does IoT apply to smart parking systems?
What is the difference between BLE and Bluetooth?
What are the different types of IoT attacks?
What is the significance of IPv6 in IoT?
What is device interoperability in IoT?
How is data privacy maintained in IoT?
What are smart contracts in IoT?
What is ZigBee?
What role does AI play in IoT?
How do you ensure reliability in IoT systems?
## 1. What is IoT?
Why you might get asked this:
This is a foundational iot viva questions question. Interviewers want to ensure you have a clear and concise understanding of the basic definition of IoT. They are looking for your ability to articulate the core concept in a way that demonstrates comprehension beyond just memorizing a definition.
How to answer:
Start with a succinct definition of IoT. Then, elaborate on the key aspects of IoT, such as the interconnectedness of devices, the role of sensors, and the exchange of data over the internet. Emphasize that it’s about more than just connecting devices, it’s about making them intelligent.
Example answer:
"IoT, or the Internet of Things, is a network of physical objects – 'things' – embedded with sensors, software, and other technologies to collect and exchange data with other devices and systems over the internet. Think of it as giving everyday objects the ability to sense their environment, communicate, and make intelligent decisions. This interconnectedness enables automation, improved efficiency, and new possibilities across various industries. Demonstrating a solid understanding here is crucial for all further iot viva questions.
## 2. What are the important characteristics of IoT?
Why you might get asked this:
This iot viva questions aims to assess your understanding of the distinguishing features of IoT systems. Interviewers want to see if you comprehend the complexity and unique demands of IoT environments.
How to answer:
Highlight the key characteristics such as connectivity, scalability, heterogeneity, intelligence, dynamic changes, and interoperability. Explain each characteristic briefly and why it's important in the context of IoT.
Example answer:
"The key characteristics of IoT include connectivity, which allows devices to communicate; scalability, essential for handling a growing number of devices; heterogeneity, as IoT involves diverse devices and platforms; intelligence, enabling devices to make decisions; dynamic changes, reflecting real-time data updates; and interoperability, allowing devices from different manufacturers to work together seamlessly. In a smart city project I worked on, we had to address all these characteristics to ensure successful integration of various sensors and systems. Understanding these characteristics will help with many iot viva questions.
## 3. What are the main components of an IoT system?
Why you might get asked this:
This iot viva questions aims to test your understanding of the fundamental building blocks of an IoT system. Interviewers want to know if you can identify the critical components and their roles.
How to answer:
Identify the core components: sensors/devices, connectivity, data processing units, and user interfaces. Briefly explain the function of each component and how they interact within the IoT system.
Example answer:
"The main components of an IoT system are sensors or devices that collect data, the connectivity layer that enables communication between devices and the cloud, data processing units (either in the cloud or at the edge) that analyze the data, and user interfaces that allow users to interact with the system. For instance, in a smart agriculture project, sensors collect soil data, which is then transmitted via a network to a cloud platform for analysis, and finally presented to farmers through a mobile app. Expect to refer back to these components in later iot viva questions.
## 4. Explain the main aim of IoT.
Why you might get asked this:
This iot viva questions probes your understanding of the overarching goal of IoT. Interviewers are looking for your ability to articulate the value proposition and the potential impact of IoT.
How to answer:
Explain that the primary goal is to interconnect smart things globally to enable intelligent actions. Focus on the benefits of this interconnectedness, such as automation, improved efficiency, and new possibilities.
Example answer:
"The main aim of IoT is to interconnect smart things globally so they can be uniquely identified, communicate, and share data interoperably to enable intelligent actions. By doing so, we can create smarter environments, automate processes, and gain valuable insights that lead to better decision-making. Think of smart homes that adjust temperature automatically or predictive maintenance systems that prevent equipment failures. Knowing this aim is key to answering more complex iot viva questions.
## 5. What are common connectivity technologies in IoT?
Why you might get asked this:
This iot viva questions assesses your knowledge of the various communication technologies used in IoT. Interviewers want to know if you are familiar with the different options and their respective strengths and weaknesses.
How to answer:
List common connectivity technologies such as RFID, Bluetooth, BLE, IEEE 802.15.4, ZigBee, Z-Wave, 6LoWPAN, and NFC. Briefly explain the use cases and characteristics of each technology.
Example answer:
"Common connectivity technologies in IoT include RFID for identification, Bluetooth and BLE for short-range communication, IEEE 802.15.4 and ZigBee for low-power mesh networks, Z-Wave for home automation, 6LoWPAN for IPv6 over low-power networks, and NFC for close-proximity communication. In a warehouse management system I developed, we used RFID tags to track inventory and BLE beacons for indoor location tracking. Be sure to understand the pros and cons for these in preparation for iot viva questions.
## 6. What is the role of sensors in IoT?
Why you might get asked this:
This iot viva questions tests your understanding of the fundamental role of sensors in IoT. Interviewers want to see if you grasp how sensors enable data collection and environmental awareness.
How to answer:
Explain that sensors detect and measure physical parameters, converting them into digital signals. Emphasize the importance of sensors as the primary source of data in IoT systems.
Example answer:
"Sensors are the eyes and ears of the IoT, detecting and measuring physical parameters such as temperature, humidity, motion, or light, and converting them into digital signals for processing. Without sensors, IoT devices would be blind and unable to interact with their environment. In a smart agriculture setup, sensors monitor soil moisture levels to optimize irrigation. This demonstrates the basic role and function for iot viva questions.
## 7. What types of data are collected by IoT devices?
Why you might get asked this:
This iot viva questions evaluates your understanding of the variety of data types that IoT devices can generate. Interviewers want to know if you can recognize the potential of IoT data for different applications.
How to answer:
Mention various data types such as environmental, biometric, location-based, and usage data. Explain how these data types can be used for real-time monitoring and analytics.
Example answer:
"IoT devices collect a wide range of data, including environmental data like temperature and humidity, biometric data like heart rate and blood pressure, location-based data from GPS, and usage data like energy consumption. This data enables real-time monitoring and analytics, allowing us to optimize processes, improve safety, and personalize experiences. In a healthcare application, wearable devices collect biometric data to monitor patient health remotely. Show the breadth of data for these iot viva questions.
## 8. What is a typical architecture of an IoT system?
Why you might get asked this:
This iot viva questions assesses your knowledge of the architectural layers of an IoT system. Interviewers want to see if you understand the different layers and their respective functions.
How to answer:
Describe the typical layers: perception layer (sensors/actuators), network layer (connectivity), processing layer (cloud/edge computing), and application layer (user services). Explain the role of each layer in the overall architecture.
Example answer:
"A typical architecture of an IoT system includes the perception layer with sensors and actuators that interact with the physical world, the network layer that provides connectivity, the processing layer that handles data analysis either in the cloud or at the edge, and the application layer that provides user services. In a smart city deployment, sensors in traffic lights form the perception layer, a cellular network provides connectivity, cloud servers handle data processing, and a mobile app displays traffic information to users. Understanding the architecture is important for a majority of iot viva questions.
## 9. What are cloud simulators used in IoT development?
Why you might get asked this:
This iot viva questions tests your awareness of tools used for simulating cloud environments in IoT. Interviewers want to know if you understand how these tools can aid in development and testing.
How to answer:
List some common cloud simulators like CloudAnalyst, GroundSim, CloudSim, GreenCloud, and iCanCloud. Explain that these simulators help model and analyze IoT cloud environments and applications.
Example answer:
"Cloud simulators like CloudAnalyst, GroundSim, CloudSim, GreenCloud, and iCanCloud are used in IoT development to model and analyze IoT cloud environments and applications. These tools allow developers to simulate different scenarios and optimize their applications for performance and scalability before deploying them in a real-world environment. For example, you can use CloudSim to simulate the deployment of IoT devices across different cloud regions and analyze the impact on latency and cost. Make sure to be familiar with simulators for your iot viva questions.
## 10. What is edge computing in IoT?
Why you might get asked this:
This iot viva questions evaluates your understanding of edge computing and its importance in IoT. Interviewers want to know if you grasp the benefits of processing data closer to the source.
How to answer:
Explain that edge computing processes data near the data source (on edge devices) to reduce latency and bandwidth use, improving real-time response. Highlight the advantages of edge computing in IoT.
Example answer:
"Edge computing in IoT involves processing data near the data source, on edge devices, rather than sending all data to the cloud. This reduces latency, conserves bandwidth, and improves real-time response. For example, in autonomous vehicles, edge computing is used to process sensor data locally and make immediate decisions, without relying on a cloud connection. It's an essential area of knowledge to demonstrate in iot viva questions.
## 11. What are the technological processes involved in IoT?
Why you might get asked this:
This iot viva questions assesses your understanding of the core steps in an IoT system's operation. Interviewers want to see if you understand the flow of data and actions within an IoT deployment.
How to answer:
Mention data collection, transmission, storage, and processing as the core processes. Briefly explain each process and its role in the IoT system.
Example answer:
"The core technological processes involved in IoT are data collection, where sensors gather information; transmission, where data is sent to a processing unit; storage, where data is retained for analysis; and processing, where data is analyzed to extract insights and trigger actions. Think about a smart thermostat: it collects temperature data, transmits it to a cloud platform, stores the data for historical analysis, and processes the data to adjust the heating or cooling settings. Each of these processes is critical to IoT systems, and is a good understanding to show during iot viva questions.
## 12. What are smart living constituents in IoT?
Why you might get asked this:
This iot viva questions evaluates your awareness of the various applications of IoT in improving daily life. Interviewers want to see if you can connect IoT concepts to real-world scenarios.
How to answer:
List examples such as smart homes, e-health, water and energy management, waste management, agriculture, contactless transactions, and localities. Briefly explain how IoT is applied in each example.
Example answer:
"Smart living constituents in IoT include smart homes with automated lighting and appliances, e-health for remote patient monitoring, water and energy management for conservation, waste management for efficient collection, agriculture for optimized crop yields, contactless transactions for seamless payments, and smart localities with connected infrastructure. I recently worked on a project involving smart waste management, where sensors in trash cans alerted collection services when they were full, optimizing routes and reducing fuel consumption. Be ready with real world examples for your iot viva questions.
## 13. What is the difference between IoT and M2M (Machine to Machine)?
Why you might get asked this:
This iot viva questions tests your understanding of the nuances between related concepts. Interviewers want to see if you can distinguish between IoT and M2M, demonstrating a deeper understanding of the IoT landscape.
How to answer:
Explain that IoT is a broader concept involving heterogeneous device connectivity and intelligent data processing, whereas M2M typically involves direct communication between devices. Emphasize the scale and complexity differences.
Example answer:
"IoT is a broader concept that encompasses a wide range of devices and applications, focusing on interoperability and data analytics. M2M, or Machine-to-Machine, typically refers to direct communication between two devices without involving cloud infrastructure. IoT involves heterogeneous devices, while M2M often deals with homogenous devices communicating directly. For example, a connected car ecosystem with various sensors, cloud platforms, and user interfaces is an example of IoT, while a vending machine communicating directly with a payment processor is an example of M2M. Being clear on definitions is important during iot viva questions.
## 14. What security challenges exist in IoT?
Why you might get asked this:
This iot viva questions assesses your awareness of the security risks associated with IoT deployments. Interviewers want to know if you understand the vulnerabilities and potential threats in IoT systems.
How to answer:
Mention challenges such as data privacy, device authentication, securing communication channels, and protection against attacks like DDoS and replay attacks. Explain the importance of addressing these challenges.
Example answer:
"Security challenges in IoT include data privacy concerns due to the vast amounts of personal data collected, device authentication to prevent unauthorized access, securing communication channels to protect against eavesdropping, and protection against attacks like DDoS and replay attacks that can disrupt services. Recently, I researched the Mirai botnet and its impact on IoT devices, highlighting the need for robust security measures to prevent these attacks. Be sure to address this very important topic in iot viva questions.
## 15. What is replication in IoT context?
Why you might get asked this:
This iot viva questions tests your understanding of data management and reliability in IoT systems. Interviewers want to know if you can explain how data consistency is maintained across devices.
How to answer:
Explain that replication refers to synchronizing data between two or more servers or devices to ensure consistency and reliability. Highlight the benefits of replication in IoT.
Example answer:
"Replication in the IoT context refers to synchronizing data between two or more servers or devices to ensure consistency and reliability. This is crucial for fault tolerance and data availability. For instance, sensor data from a critical infrastructure system might be replicated across multiple servers to ensure that data is not lost in case of a server failure. Explain complex terms simply for iot viva questions.
## 16. How is data transmitted in IoT systems?
Why you might get asked this:
This iot viva questions assesses your understanding of the various methods used for data transmission in IoT. Interviewers want to know if you are familiar with the different protocols and their suitability for IoT environments.
How to answer:
Explain that data can be transmitted via wired or wireless networks using protocols suited for low power and low bandwidth devices. Mention some common protocols.
Example answer:
"Data in IoT systems can be transmitted via both wired and wireless networks. Wireless transmission is more common, using protocols suited for low power and low bandwidth devices like Bluetooth Low Energy (BLE), Zigbee, LoRaWAN, and cellular technologies like NB-IoT and LTE-M. Wired connections, such as Ethernet, are also used in certain applications where power consumption is less of a concern. For example, a smart meter might use NB-IoT to transmit energy consumption data wirelessly, while a security camera might use Ethernet for higher bandwidth requirements. Show you understand the protocols during the iot viva questions.
## 17. What are common IoT protocols?
Why you might get asked this:
This iot viva questions probes your knowledge of the specific protocols used in IoT communication. Interviewers want to see if you are familiar with industry-standard protocols and their characteristics.
How to answer:
List common protocols such as MQTT, CoAP, HTTP, and AMQP. Explain that these protocols are designed to efficiently transmit data in resource-constrained environments.
Example answer:
"Common IoT protocols include MQTT, which is a lightweight messaging protocol ideal for constrained devices; CoAP, which is a RESTful protocol designed for machine-to-machine communication; HTTP, used for web-based applications; and AMQP, which is suitable for enterprise messaging. MQTT is often used in sensor networks, while CoAP is used in smart building applications. Knowing the applications of different protocols is important for iot viva questions.
## 18. What is an IoT gateway?
Why you might get asked this:
This iot viva questions tests your understanding of the role of a gateway in IoT architectures. Interviewers want to know if you can explain the functions of a gateway and its importance in connecting IoT devices to the cloud.
How to answer:
Explain that an IoT gateway connects IoT devices with the cloud or data center, performing protocol translation, data processing, and security functions.
Example answer:
"An IoT gateway acts as a bridge between IoT devices and the cloud or data center. It performs protocol translation, data aggregation, pre-processing, and security functions. For example, a gateway might translate Zigbee data from a sensor network into MQTT for transmission to the cloud, while also encrypting the data to ensure security. Make sure to mention encryption and data aggregation in your iot viva questions.
## 19. What is the role of actuators in IoT?
Why you might get asked this:
This iot viva questions assesses your understanding of how IoT systems can influence the physical world. Interviewers want to know if you grasp the function of actuators in implementing control actions.
How to answer:
Explain that actuators receive commands and perform actions such as opening a valve, turning on a light, or adjusting thermostat settings. Emphasize that actuators enable IoT devices to affect physical changes.
Example answer:
"Actuators in IoT systems receive commands from a control system and perform actions in the physical world. Examples include opening a valve in an irrigation system, turning on a light in a smart home, or adjusting the thermostat in a building. They're the devices that translate digital instructions into real-world actions. The actuator is the effector of change, remember this for your iot viva questions.
## 20. What is crowdsensing in IoT?
Why you might get asked this:
This iot viva questions evaluates your awareness of how data can be collected from distributed sources. Interviewers want to know if you understand the concept of crowdsourcing data through IoT devices.
How to answer:
Explain that crowdsensing involves collecting data from a large number of distributed sensors often attached to people, vehicles, or devices to gather large-scale data.
Example answer:
"Crowdsensing in IoT involves collecting data from a large number of distributed sensors, often attached to people, vehicles, or devices, to gather large-scale data. For example, collecting traffic data from smartphones in vehicles to create real-time traffic maps. Or gathering air quality data from personal air quality monitors to identify pollution hotspots. The idea is that the crowd provides the sensing, and this is a novel perspective to bring up during iot viva questions.
## 21. How does IoT apply to smart parking systems?
Why you might get asked this:
This iot viva questions tests your ability to apply IoT concepts to a specific use case. Interviewers want to see if you can explain how IoT technologies can solve real-world problems.
How to answer:
Explain that IoT smart parking uses sensors, sensor networks, meters, and crowdsensing to collect real-time data on parking availability. Describe how this data can be used to improve parking efficiency.
Example answer:
"IoT applies to smart parking systems by using sensors embedded in parking spaces to detect occupancy, sensor networks to transmit this data, and mobile apps to display real-time parking availability to drivers. This reduces the time spent searching for parking, reduces traffic congestion, and optimizes parking resource utilization. These use case iot viva questions will test your practical knowledge.
## 22. What is the difference between BLE and Bluetooth?
Why you might get asked this:
This iot viva questions tests your understanding of specific communication technologies. Interviewers want to see if you can distinguish between Bluetooth and its low-energy variant, BLE.
How to answer:
Explain that BLE (Bluetooth Low Energy) is optimized for low power consumption suitable for IoT devices, while classic Bluetooth is used for continuous streaming.
Example answer:
"BLE (Bluetooth Low Energy) is optimized for low power consumption, making it suitable for IoT devices that need to operate for long periods on a single battery. Classic Bluetooth is designed for continuous streaming applications like audio, which require higher bandwidth but also consume more power. BLE is often used in wearables and sensor networks, while classic Bluetooth is used in headphones and speakers. Knowing the differences is crucial for iot viva questions.
## 23. What are the different types of IoT attacks?
Why you might get asked this:
This iot viva questions assesses your awareness of the security threats faced by IoT systems. Interviewers want to know if you are familiar with common attack vectors and their potential impact.
How to answer:
Mention common attacks such as spoofing, eavesdropping, denial of service, and injection attacks targeting IoT devices and communications. Briefly explain each type of attack.
Example answer:
"Different types of IoT attacks include spoofing, where attackers impersonate legitimate devices; eavesdropping, where attackers intercept sensitive data; denial of service, where attackers flood the network to disrupt services; and injection attacks, where attackers inject malicious code into IoT devices. For example, an attacker might spoof a smart thermostat to raise the temperature in a building to an unsafe level. You should always answer this, and all iot viva questions with concern.
## 24. What is the significance of IPv6 in IoT?
Why you might get asked this:
This iot viva questions tests your understanding of the addressing challenges in IoT. Interviewers want to know if you understand why IPv6 is necessary to support the vast number of IoT devices.
How to answer:
Explain that IPv6 provides a vastly larger address space allowing unique IP addresses for billions of IoT devices, facilitating direct communication.
Example answer:
"IPv6 is significant in IoT because it provides a vastly larger address space compared to IPv4, allowing unique IP addresses for billions of IoT devices. This eliminates the need for complex NAT (Network Address Translation) schemes and facilitates direct communication between devices. As the number of IoT devices continues to grow, IPv6 is essential for scaling the IoT infrastructure. Its a simple question, but will reveal whether you understand the architecture of iot viva questions.
## 25. What is device interoperability in IoT?
Why you might get asked this:
This iot viva questions assesses your understanding of the importance of seamless integration in IoT systems. Interviewers want to know if you can explain the concept of interoperability and its challenges.
How to answer:
Explain that it is the ability of diverse IoT devices and systems to work together seamlessly using common standards and protocols. Highlight the benefits of interoperability.
Example answer:
"Device interoperability in IoT refers to the ability of diverse IoT devices and systems to work together seamlessly, regardless of their manufacturer or underlying technology. This requires the use of common standards and protocols to ensure that devices can communicate and exchange data effectively. Interoperability is crucial for creating truly smart and connected environments. Think of light bulbs and thermostats working together: being interoperable would make for smoother communication which you can mention for iot viva questions.
## 26. How is data privacy maintained in IoT?
Why you might get asked this:
This iot viva questions tests your understanding of data privacy measures in IoT. Interviewers want to know if you are aware of the techniques used to protect sensitive data.
How to answer:
Explain that data privacy is maintained through encryption, secure authentication, anonymization, and access control mechanisms to protect sensitive IoT data.
Example answer:
"Data privacy in IoT is maintained through several mechanisms, including encryption to protect data in transit and at rest, secure authentication to verify the identity of devices and users, anonymization to remove personally identifiable information, and access control mechanisms to restrict access to sensitive data. For example, using end-to-end encryption to protect data transmitted from a wearable device to a cloud server. Security is very important for iot viva questions.
## 27. What are smart contracts in IoT?
Why you might get asked this:
This iot viva questions assesses your knowledge of emerging technologies in IoT. Interviewers want to see if you are familiar with the use of smart contracts to automate and secure IoT interactions.
How to answer:
Explain that smart contracts are self-executing contracts with the terms of agreement directly written into code, used in IoT for automated, trusted device interactions.
Example answer:
"Smart contracts in IoT are self-executing contracts with the terms of the agreement directly written into code. These contracts are stored on a blockchain and automatically enforced when the specified conditions are met. In IoT, smart contracts can be used for automated device interactions, secure data sharing, and trusted transactions. For example, a smart contract could automatically pay a farmer based on sensor data confirming the successful harvest of crops, this makes a complicated point clear in iot viva questions.
## 28. What is ZigBee?
Why you might get asked this:
This iot viva questions tests your familiarity with a specific wireless communication standard. Interviewers want to know if you understand the characteristics and use cases of ZigBee.
How to answer:
Explain that ZigBee is a low-power, low-data-rate wireless network standard designed for short-range communication in IoT applications.
Example answer:
"ZigBee is a low-power, low-data-rate wireless network standard designed for short-range communication in IoT applications. It's often used in home automation, industrial control, and sensor networks. ZigBee supports mesh networking, allowing devices to communicate over longer distances by hopping data between devices. For example, in a smart home, ZigBee might be used to connect lights, thermostats, and security sensors to a central hub. Keep to the main point for these types of iot viva questions.
## 29. What role does AI play in IoT?
Why you might get asked this:
This iot viva questions assesses your understanding of the intersection of AI and IoT. Interviewers want to know if you can explain how AI enhances IoT systems.
How to answer:
Explain that AI enables predictive analytics, anomaly detection, and intelligent decision-making based on IoT data.
Example answer:
"AI plays a crucial role in IoT by enabling predictive analytics, anomaly detection, and intelligent decision-making based on IoT data. AI algorithms can analyze sensor data to predict equipment failures, detect fraudulent activity, and optimize energy consumption. For example, AI can analyze data from smart meters to predict energy demand and adjust the power grid accordingly. Always address the practical use in iot viva questions.
## 30. How do you ensure reliability in IoT systems?
Why you might get asked this:
This iot viva questions tests your understanding of system design principles in IoT. Interviewers want to know if you can explain how to build robust and dependable IoT systems.
How to answer:
Explain that reliability is ensured by implementing fault tolerance, data replication, redundancy, and continuous monitoring of device health and network status.
Example answer:
"Reliability in IoT systems is ensured by implementing fault tolerance, data replication, redundancy, and continuous monitoring of device health and network status. This ensures that the system can continue to operate even if some components fail. For example, using redundant sensors, replicating data across multiple servers, and implementing automatic failover mechanisms. Thinking about redundancy is helpful in iot viva questions.
Other tips to prepare for a iot viva questions
To further enhance your preparation for iot viva questions, consider the following strategies:
Mock Interviews: Practice answering potential iot viva questions in a mock interview setting. This will help you refine your responses and become more comfortable articulating your knowledge.
Study Plan: Create a structured study plan that covers all the key areas of IoT, including sensor technologies, communication protocols, cloud platforms, security, and applications.
Real-World Projects: Work on personal or collaborative IoT projects to gain hands-on experience. This will not only deepen your understanding but also provide you with concrete examples to share during your interview.
Research Common Questions: Identify the most common iot viva questions for the specific role you're applying for. Tailor your preparation to address these questions effectively.
Leverage AI Tools: Explore AI-powered interview preparation tools like Verve AI. These tools can provide personalized feedback, simulate real-world scenarios, and help you refine your responses to iot viva questions.
Company Research: Research the company and the specific IoT projects they are involved in. This will allow you to tailor your answers and demonstrate your interest in their work.
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